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awivar.h revision 1.10
      1 /* $NetBSD: awivar.h,v 1.10 2000/06/09 14:36:26 onoe Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1999 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Bill Sommerfeld
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /* timer values in msec */
     40 #define	AWI_SELFTEST_TIMEOUT	5000
     41 #define	AWI_CMD_TIMEOUT		2000
     42 #define	AWI_LOCKOUT_TIMEOUT	50
     43 #define	AWI_ASCAN_DURATION	100
     44 #define	AWI_ASCAN_WAIT		3000
     45 #define	AWI_PSCAN_DURATION	200
     46 #define	AWI_PSCAN_WAIT		5000
     47 #define	AWI_TRANS_TIMEOUT	2000
     48 
     49 #define	AWI_NTXBUFS		4
     50 #define	AWI_MAX_KEYLEN		16
     51 
     52 enum awi_status {
     53 	AWI_ST_INIT,
     54 	AWI_ST_SCAN,
     55 	AWI_ST_SETSS,
     56 	AWI_ST_SYNC,
     57 	AWI_ST_AUTH,
     58 	AWI_ST_ASSOC,
     59 	AWI_ST_RUNNING
     60 };
     61 
     62 struct awi_bss
     63 {
     64 	TAILQ_ENTRY(awi_bss)	list;
     65 	u_int8_t	esrc[ETHER_ADDR_LEN];
     66 	u_int8_t	chanset;	/* channel set to use */
     67 	u_int8_t	pattern;	/* hop pattern to use */
     68 	u_int8_t	index;		/* index to use */
     69 	u_int8_t	rssi;		/* strength of this beacon */
     70 	u_int16_t	dwell_time;	/* dwell time */
     71 	u_int8_t	timestamp[8];	/* timestamp of this bss */
     72 	u_int8_t	bssid[ETHER_ADDR_LEN];
     73 	u_int32_t	rxtime;		/* unit's local time */
     74 	u_int16_t	interval;	/* beacon interval */
     75 	u_int8_t	txrate;
     76 	u_int8_t	fails;
     77 	u_int8_t	essid[IEEE80211_NWID_LEN + 2];
     78 };
     79 
     80 struct awi_wep_algo {
     81 	char		*awa_name;
     82 	int		(*awa_ctxlen) __P((void));
     83 	void		(*awa_setkey) __P((void *, u_char *, int));
     84 	void		(*awa_encrypt) __P((void *, u_char *, u_char *, int));
     85 	void		(*awa_decrypt) __P((void *, u_char *, u_char *, int));
     86 };
     87 
     88 struct awi_softc
     89 {
     90 #ifdef __NetBSD__
     91 	struct device 		sc_dev;
     92 	struct ethercom		sc_ec;
     93 	void			*sc_ih; /* interrupt handler */
     94 #endif
     95 #ifdef __FreeBSD__
     96 #if __FreeBSD__ >= 4
     97 	struct {
     98 		char	dv_xname[64];	/*XXX*/
     99 	}			sc_dev;
    100 #else
    101 	struct device		sc_dev;
    102 #endif
    103 	struct arpcom		sc_ec;
    104 #endif
    105 	struct am79c930_softc 	sc_chip;
    106 	struct ifnet		*sc_ifp;
    107 	int			(*sc_enable) __P((struct awi_softc *));
    108 	void			(*sc_disable) __P((struct awi_softc *));
    109 
    110 	struct ifmedia		sc_media;
    111 	enum awi_status		sc_status;
    112 	unsigned int		sc_enabled:1,
    113 				sc_busy:1,
    114 				sc_cansleep:1,
    115 				sc_invalid:1,
    116 				sc_enab_intr:1,
    117 				sc_cmd_inprog:1,
    118 				sc_format_llc:1,
    119 				sc_start_bss:1,
    120 				sc_rawbpf:1,
    121 				sc_no_bssid:1,
    122 				sc_active_scan:1,
    123 				sc_attached:1;	/* attach has succeeded */
    124 	int			sc_sleep_cnt;
    125 
    126 	int			sc_mgt_timer;
    127 
    128 	TAILQ_HEAD(, awi_bss)	sc_scan;
    129 	u_int8_t		sc_scan_cur;
    130 	u_int8_t		sc_scan_min;
    131 	u_int8_t		sc_scan_max;
    132 	u_int8_t		sc_scan_set;
    133 	struct awi_bss		sc_bss;
    134 	u_int8_t		sc_ownssid[IEEE80211_NWID_LEN + 2];
    135 	u_int8_t		sc_ownch;
    136 
    137 	int			sc_rx_timer;
    138 	u_int32_t		sc_rxdoff;
    139 	u_int32_t		sc_rxmoff;
    140 	struct mbuf		*sc_rxpend;
    141 
    142 	int			sc_tx_timer;
    143 	u_int8_t		sc_tx_rate;
    144 	struct ifqueue		sc_mgtq;
    145 	u_int32_t		sc_txbase;
    146 	u_int32_t		sc_txend;
    147 	u_int32_t		sc_txnext;
    148 	u_int32_t		sc_txdone;
    149 
    150 	int			sc_wep_keylen[IEEE80211_WEP_NKID]; /* keylen */
    151 	u_int8_t		sc_wep_key[IEEE80211_WEP_NKID][AWI_MAX_KEYLEN];
    152 	int			sc_wep_defkid;
    153 	void			*sc_wep_ctx;	/* work area */
    154 	struct awi_wep_algo	*sc_wep_algo;
    155 
    156 	char			sc_banner[AWI_BANNER_LEN];
    157 	struct awi_mib_local	sc_mib_local;
    158 	struct awi_mib_addr	sc_mib_addr;
    159 	struct awi_mib_mac	sc_mib_mac;
    160 	struct awi_mib_stat	sc_mib_stat;
    161 	struct awi_mib_mgt	sc_mib_mgt;
    162 	struct awi_mib_phy	sc_mib_phy;
    163 };
    164 
    165 #define awi_read_1(sc, off) ((sc)->sc_chip.sc_ops->read_1)(&sc->sc_chip, off)
    166 #define awi_read_2(sc, off) ((sc)->sc_chip.sc_ops->read_2)(&sc->sc_chip, off)
    167 #define awi_read_4(sc, off) ((sc)->sc_chip.sc_ops->read_4)(&sc->sc_chip, off)
    168 #define awi_read_bytes(sc, off, ptr, len) ((sc)->sc_chip.sc_ops->read_bytes)(&sc->sc_chip, off, ptr, len)
    169 
    170 #define awi_write_1(sc, off, val) \
    171 	((sc)->sc_chip.sc_ops->write_1)(&sc->sc_chip, off, val)
    172 #define awi_write_2(sc, off, val) \
    173 	((sc)->sc_chip.sc_ops->write_2)(&sc->sc_chip, off, val)
    174 #define awi_write_4(sc, off, val) \
    175 	((sc)->sc_chip.sc_ops->write_4)(&sc->sc_chip, off, val)
    176 #define awi_write_bytes(sc, off, ptr, len) \
    177 	((sc)->sc_chip.sc_ops->write_bytes)(&sc->sc_chip, off, ptr, len)
    178 
    179 #define awi_drvstate(sc, state) \
    180 	awi_write_1(sc, AWI_DRIVERSTATE, \
    181 	    ((state) | AWI_DRV_AUTORXLED|AWI_DRV_AUTOTXLED))
    182 
    183 /* unalligned little endian access */
    184 #define	LE_READ_2(p)							\
    185 	(((u_int8_t *)(p))[0] | (((u_int8_t *)(p))[1] << 8))
    186 #define	LE_READ_4(p)							\
    187 	(((u_int8_t *)(p))[0] | (((u_int8_t *)(p))[1] << 8) |		\
    188 	 (((u_int8_t *)(p))[2] << 16) | (((u_int8_t *)(p))[3] << 24))
    189 #define	LE_WRITE_2(p, v)						\
    190 	((((u_int8_t *)(p))[0] = ((u_int32_t)(v) & 0xff)),		\
    191 	 (((u_int8_t *)(p))[1] = (((u_int32_t)(v) >> 8) & 0xff)))
    192 #define	LE_WRITE_4(p, v)						\
    193 	((((u_int8_t *)(p))[0] = ((u_int32_t)(v) & 0xff)),		\
    194 	 (((u_int8_t *)(p))[1] = (((u_int32_t)(v) >> 8) & 0xff)),	\
    195 	 (((u_int8_t *)(p))[2] = (((u_int32_t)(v) >> 16) & 0xff)),	\
    196 	 (((u_int8_t *)(p))[3] = (((u_int32_t)(v) >> 24) & 0xff)))
    197 
    198 #define	AWI_80211_RATE(rate)	(((rate) & 0x7f) * 5)
    199 
    200 int	awi_attach __P((struct awi_softc *));
    201 int	awi_intr __P((void *));
    202 void	awi_reset __P((struct awi_softc *));
    203 #ifdef __NetBSD__
    204 int	awi_activate __P((struct device *, enum devact));
    205 int	awi_detach __P((struct awi_softc *));
    206 void	awi_power __P((struct awi_softc *, int));
    207 #endif
    208 
    209 void awi_stop __P((struct awi_softc *sc));
    210 int awi_init __P((struct awi_softc *sc));
    211 int awi_init_region __P((struct awi_softc *));
    212 int awi_wicfg __P((struct ifnet *, u_long, caddr_t));
    213 
    214 int awi_wep_getalgo __P((struct awi_softc *));
    215 int awi_wep_setalgo __P((struct awi_softc *, int));
    216 int awi_wep_setkey __P((struct awi_softc *, int, unsigned char *, int));
    217 int awi_wep_getkey __P((struct awi_softc *, int, unsigned char *, int *));
    218 struct mbuf *awi_wep_encrypt __P((struct awi_softc *, struct mbuf *, int));
    219 
    220 #ifdef __FreeBSD__
    221 /* Provide mem* for compat with NetBSD to fix LINT */
    222 static __inline int
    223 memcmp(const void *b1, const void *b2, size_t len)
    224 {
    225 	return (bcmp(b1, b2, len));
    226 }
    227 
    228 static __inline void *
    229 memset(void *b, int c, size_t len)
    230 {
    231 	bzero(b, len);
    232 	return (b);
    233 }
    234 #endif
    235